Global Patent Index - EP 0807131 A1

EP 0807131 A1 19971119 - A PROCESS FOR MAKING GRAFT BLOCK COPOLYMERS BY GROWING ANIONIC POLYMER CHAINS FROM FUNCTIONALIZED POLYOLEFIN BACKBONES

Title (en)

A PROCESS FOR MAKING GRAFT BLOCK COPOLYMERS BY GROWING ANIONIC POLYMER CHAINS FROM FUNCTIONALIZED POLYOLEFIN BACKBONES

Title (de)

EIN VERFAHREN ZUR HERSTELLUNG VON PFOPF-BLOCK-COPOLYMEREN AUF POLYOLEFINEN MIT FUNKTIONELLEN GRUPPEN DURCH ANIONISCHES POLYMERKETTENWACHSTUM

Title (fr)

PROCEDE DE PRODUCTION DE COPOLYMERES GREFFES ALTERNES PAR CROISSANCE DE CHAINES POLYMERES ANIONIQUES A PARTIR DE SQUELETTES DE POLYOLEFINES FONCTIONNALISEES

Publication

EP 0807131 A1 19971119 (EN)

Application

EP 96902257 A 19960130

Priority

  • EP 9600358 W 19960130
  • US 38124295 A 19950131

Abstract (en)

[origin: US5543458A] A graft block copolymer is comprised of a completely saturated olefinic backbone with pendant anionic polymer side chains. The polymer is produced by copolymerizing an alpha -olefin with a monomer which contains a functional group which can be metallated so an anionic monomer can be polymerized therefrom, metallating the copolymer by reaction with metal alkyl or aryl compound and a metallation activator, and growing anionic polymer side chains from the copolymer backbone by reacting an anionically polymerized monomer with the metallated copolymer.

IPC 1-7

C08F 255/00; C08F 8/42

IPC 8 full level

C08F 8/42 (2006.01); C08F 255/00 (2006.01); C08F 275/00 (2006.01)

CPC (source: EP US)

C08F 8/42 (2013.01 - EP US); C08F 255/00 (2013.01 - EP US); C08F 275/00 (2013.01 - EP US)

Citation (search report)

See references of WO 9623821A1

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB IT LI NL SE

DOCDB simple family (publication)

US 5543458 A 19960806; AU 4664496 A 19960821; AU 706646 B2 19990617; CA 2211462 A1 19960808; EP 0807131 A1 19971119; FI 973161 A0 19970730; FI 973161 A 19970930; JP H10512916 A 19981208; NO 973505 D0 19970730; NO 973505 L 19970929; WO 9623821 A1 19960808

DOCDB simple family (application)

US 38124295 A 19950131; AU 4664496 A 19960130; CA 2211462 A 19960130; EP 9600358 W 19960130; EP 96902257 A 19960130; FI 973161 A 19970730; JP 52324296 A 19960130; NO 973505 A 19970730